Arabic Linguist AI & TTS

About Unifonic

Unifonic is an AI-native customer experience platform focused on emerging markets, recognized as a Great Place to Work®. With over 25 years of conversational AI research and development, Unifonic serves more than 5,000 enterprises across MENA. The company is developing sovereign, agentic AI through its Agentic Studio platform, fostering an environment that values creativity and collaboration.

The Engineering Team

The Engineering team at Unifonic is responsible for the design, development, and maintenance of the systems and technologies that power Unifonic’s solutions. This team collaborates with other departments to ensure that products and services meet customer needs. This role is for individuals who are passionate about technology and interested in working on communication and engagement solutions.

Role Summary: Arabic Linguist – AI & TTS

As an Arabic Linguist, you will support the Text-to-Speech (TTS) team with linguistic analysis, Arabic dialect expertise, pronunciation and speech-quality evaluation, and various voice-related projects. This part-time position, based in Riyadh Province, specifically Riyadh, offers an opportunity to apply linguistic expertise to production projects, enhancing the quality, accuracy, and naturalness of Arabic speech technology.

Key Responsibilities

• Conduct research on the phonological, morphological, and syntactic structures of Arabic, with a focus on Modern Standard Arabic (MSA) and Saudi/Gulf dialects, particularly the Najdi dialect.
• Provide linguistic guidance for the integration of Arabic linguistic structures into Sestek products.
• Serve as the linguistic point of contact for the R&D / AI team.
• Translate linguistic requirements into clear, actionable input for engineers.
• Analyze and review pronunciation data, including grapheme-to-phoneme mappings, diacritization/tashkeel, and lexicons, for Arabic TTS and speech recognition systems.
• Evaluate TTS output quality in terms of pronunciation accuracy, prosody, dialect authenticity, and naturalness, with a particular focus on Saudi Arabic.
• Provide linguistic guidance and support for Arabic voice data collection and speech synthesis projects, including identifying and onboarding suitable voice talents when necessary.
• Support the coordination and review of voice recording and editing processes to ensure linguistic accuracy and consistency.
• Support the onboarding and coordination of external Arabic language consultants when needed, providing guidance on linguistic requirements.
• Review and provide linguistic feedback on data annotation activities and guidelines, ensuring appropriate quality standards for Arabic and Saudi dialect data.
• Collaborate closely with the Sestek TTS and AI Research teams, providing ongoing linguistic expertise throughout projects.

Required Qualifications

• Ability to work on a part-time basis.
• Capability to collaborate remotely with teams based in Türkiye and Saudi Arabia.

Work Arrangement

This is a part-time position that requires remote collaboration with teams located in Türkiye and Saudi Arabia.